element-UI中table表格的row-click事件怎么获取一行数据的id

<el-table :data="tableData" style="width: 100%" @row-click="openDetails(id)"> <el-table-column prop="wName" label="公众号名称"></el-table-column> <el-table-column prop="wID" label="公众号ID"></el-table-column> <el-table-column prop="seller" label="商家名称"></el-table-column> <el-table-column prop="sign" label="签约状态"></el-table-column> <el-table-column prop="amount_1" label="收款总额"></el-table-column> <el-table-column prop="amount_2" label="退款总额"></el-table-column> <el-table-column prop="amount_3" label="代收总额"></el-table-column> <el-table-column prop="amount_4" label="保证金"></el-table-column> <el-table-column prop="date" label="签约日期"></el-table-column> <el-table-column prop="status" label="状态"></el-table-column> </el-table>